<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
    <meta charset="utf-8">
    <title>Testcase for bug 1010538, instant scrolling expected</title>
    <style type="text/css">

        html,body {
            color: black;
            background-color: white;
            font-size: 16px;
            padding: 0;
            margin: 0;
        }

        .a_box {
            position: relative;
            left: 0px;
            top: 0px;
            width: 20px;
            height: 20px;
            background: blue;
        }

        .another_box {
            position: relative;
            left: 2000px;
            top: 2000px;
            width: 20px;
            height: 20px;
            background: green;
        }

        .scroll_box {
            width: 50px;
            height: 50px;
            overflow: scroll;
            will-change: scroll-position;
        }

        #scroll_1, #scroll_4, #scroll_6, #scroll_8 {
            scroll-behavior: auto;
        }

        #scroll_3 {
            scroll-behavior: smooth;
        }

    </style>
</head>
<body>
  <div id="scroll_1" class="scroll_box">
    <div id="box1a" class="a_box"></div>
    <div id="box1b" class="another_box"></div>
  </div>
  <div id="scroll_2" class="scroll_box">
    <div id="box2a" class="a_box"></div>
    <div id="box2b" class="another_box"></div>
  </div>
  <div id="scroll_3" class="scroll_box">
    <div id="box3a" class="a_box"></div>
    <div id="box3b" class="another_box"></div>
  </div>
  <div id="scroll_4" class="scroll_box">
    <div id="box4a" class="a_box"></div>
    <div id="box4b" class="another_box"></div>
  </div>
  <div id="scroll_5" class="scroll_box">
    <div id="box5a" class="a_box"></div>
    <div id="box5b" class="another_box"></div>
  </div>
  <div id="scroll_6" class="scroll_box">
    <div id="box6a" class="a_box"></div>
    <div id="box6b" class="another_box"></div>
  </div>
  <div id="scroll_7" class="scroll_box">
    <div id="box7a" class="a_box"></div>
    <div id="box7b" class="another_box"></div>
  </div>
  <div id="scroll_8" class="scroll_box">
    <div id="box8a" class="a_box"></div>
    <div id="box8b" class="another_box"></div>
  </div>
  <div id="scroll_9" class="scroll_box">
    <div id="box9a" class="a_box"></div>
    <div id="box9b" class="another_box"></div>
  </div>
  <div id="scroll_10" class="scroll_box">
    <div id="box10a" class="a_box"></div>
    <div id="box10b" class="another_box"></div>
  </div>
<script>
  function doTest() {
    if (document.location.search != '?ref') {
      document.getElementById("box1b").scrollIntoView({block: "end"});
      document.getElementById("box2b").scrollIntoView({block: "end"});
      document.getElementById("box3b").scrollIntoView({block: "end", behavior: "instant"});
      document.getElementById("box4b").scrollIntoView({block: "end", behavior: "instant"});
      document.getElementById("box5b").scrollIntoView({block: "end", behavior: "instant"});
      document.getElementById("box6b").scrollIntoView({block: "end", behavior: "auto"});
      document.getElementById("box7b").scrollIntoView({block: "end", behavior: "auto"});
      document.getElementById("box8b").scrollIntoView(false);
      document.getElementById("box9b").scrollIntoView(false);

      // Scroll_10 is a control, expected to scroll smoothly
      document.getElementById("box10b").scrollIntoView({block: "end", behavior: "smooth"});

      // Interrupt any smooth scrolling
      for (var i=1; i <= 10; i++) {
        document.getElementById("scroll_" + i).scrollLeft
          = document.getElementById("scroll_" + i).scrollLeft;
        document.getElementById("scroll_" + i).scrollTop
          = document.getElementById("scroll_" + i).scrollTop;
      }
    } else {
      // Scroll all boxes except box 10
      for (var i=1; i <= 9; i++) {
        document.getElementById("box" + i + "b").scrollIntoView({block: "end", behavior: "instant"});
      }
    }
    document.documentElement.removeAttribute("class");
  }

  for (var i=1; i <= 10; i++) {
    document.getElementById("box" + i + "a")
      .scrollIntoView({block: "start", behavior: "instant"});
  }

  window.addEventListener("MozReftestInvalidate", doTest, false);
</script>
</body>
</html>
